The answer is: [D]:
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They are often used to combine choppy sentences.
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Conjunctions are often used to combine choppy sentences.
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Note: The questions asks about CONJUNCTIONS —NOT about "contractions".
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Choice "A" is incorrect. They are not used to combine two or more LONG sentences. If sentences are already long, then do not need to be combined with a conjunction.
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Choice: "B" is incorrect. To the contrary, the use of conjunctions actually makes sentences longer.
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Choice "C" is incorrect. To the contrary, the use of conjunctions should be used (appropriately, of course) in essays. The use of "contractions" should not be used in essays or formal writing.
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Choice "D" is correct. They are often used to combine choppy sentences for better reading and engagement.
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50 rupees are nothing to buy anything
I think F is the colorectal way to write the sentence. Hope this helps!
Are there any answer choices or a graph or more information for us to answer your question? I would love to help.
The sentence could effectively be places in a summary of Chapter 4 of Wheels of Change because it expresses a key idea objectively is "<span>In the 1880s and 1890s, female bicycle racers faces a variety of opponents, including makes, horses, and an occasional dog."</span>